|Publication number||US5779670 A|
|Application number||US 08/455,126|
|Publication date||Jul 14, 1998|
|Filing date||May 31, 1995|
|Priority date||May 31, 1995|
|Also published as||WO1996038192A1|
|Publication number||08455126, 455126, US 5779670 A, US 5779670A, US-A-5779670, US5779670 A, US5779670A|
|Inventors||Robert E. Bidwell, Arnold Melman|
|Original Assignee||Bidwell; Robert E., Melman; Arnold|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (34), Referenced by (55), Classifications (13), Legal Events (6)|
|External Links: USPTO, USPTO Assignment, Espacenet|
1. Field of the Invention
The subject invention is directed to catheters, and more particularly, to a urinary catheter having a sheath with a sealed lubricant between the sheath and the drain to reduce irritation to the urethra during insertion and removal of the catheter, and while the catheter is positioned therein.
2. Description of the Related Art
Urethral catheters that are placed within a patient's lower urinary tract are well known in the art. One type of urethral catheter is a retention catheter. Retention catheters are supported in the patient's bladder to continuously remove urine therefrom. One type of urinary retention catheter is known in the art as a Foley catheter. It consists of an elongated tube through which extends a main drain lumen. The catheter is placed through the patient's urethra so that the distal end thereof extends into the patient's bladder and the proximal end remains outside the patient's body. An inlet opening is provided at the distal end of the catheter to allow urine to drain into the main lumen and pass into a collection bag associated with the proximal end of the catheter.
Foley catheters are retained within the patient's bladder and urethra by an inflatable balloon located at the distal end of the elongated tube proximate to the inlet opening of the main lumen. An inflation lumen connects the balloon to the proximal end of the catheter so that a liquid may be passed under pressure to the balloon to expand the balloon. A valve is generally provided to maintain the liquid under pressure so that the balloon remains inflated.
Often, a urinary catheter will remain within the urethra for weeks at a time, presenting general discomfort to the patient. Such discomfort will be heightened when there is relative movement between the catheter and the urethra. This discomfort results from friction between the outer wall of the catheter and the inner wall of the urethra, and is magnified by even minimal movement of the patient. In addition, the internal cardiac rhythm of the body creates an irritating friction generating movement of the urethra relative to the catheter. This irritation may be compounded by infection, further complicating and lengthening patient recovery. Even greater discomfort will be experienced when the catheter is removed from the urethra after use.
Several prior art devices have been provided to reduce such discomfort through the use of lubricants, as described, for example, in U.S. Pat. Nos. 3,726,281 and 5,098,379. In U.S. Pat. No. 5,209,726, a catheter is disclosed which has an elongated body enclosed by a resilient sleeve which defines a cavity containing a lubricating substance effective to permit the sleeve to slide along the outer surface of the catheter body. Thus, in use, when the catheter body moves in response to movements of the patient's body, the sleeve will not move relative to the urethra. However, during insertion and removal of this catheter, significant frictional contact will occur between the sleeve and the urethra, causing considerable discomfort to the patient. The subject invention provides an improvement over these prior art devices.
The subject invention is directed to a urethral catheter assembly configured to reduce patient discomfort during insertion, utilization and removal. The catheter assembly includes an elongate catheter body having an interior lumen extending therethrough defined by an interior surface, and an elongated tubular sheath which is operatively associated with the catheter body and which encloses the exterior surface thereof. A first end of the tubular sheath is supported adjacent the interior surface of the catheter body and a second end is supported adjacent the exterior surface of the catheter body. A layer of lubricant is disposed between the tubular sheath and the catheter body along the respective interior and exterior surfaces thereof to reduce frictional resistance between the sheath and the catheter body and promote relative movement therebetween during utilization.
In a preferred embodiment of the subject invention, a substantial portion of the lubricated sheath is disposed within the interior lumen of the catheter body prior to insertion of the catheter assembly into the urethra. In use, the lubricated sheath is progressively deployed from the interior lumen of the catheter body as the catheter assembly is inserted into the urethra to continuously enclose the exterior surface of the catheter body and provide a buffer between the catheter body and the urethral wall. Upon becoming fully deployed, the lubricated sheath permits movement of the catheter body relative to the urethral wall without causing trauma thereto, thus reducing patient discomfort.
Preferably, the first end of the lubricated sheath is retained by a sled that is disposed within the interior lumen of the catheter body, and upon withdrawing the catheter assembly from the urethra, the sled is moved through the interior lumen to draw the lubricated sheath thereinto. Preferred embodiments of the subject catheter assembly also include a radially expandable anchoring mechanism, in the form of a balloon, which is operatively associated with the exterior surface of the catheter body adjacent the distal end thereof for retaining the catheter assembly in a patient's bladder. Means extend through the catheter body to direct a fluid to the anchoring mechanism.
Further features of the subject invention will become more readily apparent from the following detailed description of the invention taken in conjunction with accompanying drawings.
Preferred embodiments of the catheter assembly of the subject invention as well as prior art catheters will be described hereinbelow with reference to the drawings, wherein:
FIG. 1 is an elevational view of a prior art Foley catheter with a distal portion thereof broken away to illustrate an interior portion of the expandable balloon anchor associated therewith;
FIG. 2 illustrates the prior art Foley catheter of FIG. 1 extended through a patient's urethra and retained within their bladder;
FIG. 3 is a perspective view of a urethral catheter assembly constructed in accordance with a preferred embodiment of the subject invention;
FIG. 4 is a side elevational view in cross-section of the urethral catheter assembly of FIG. 3 prior to its insertion into the urethra of a patient;
FIG. 5 is a cross-sectional view of the catheter assembly taken along line 4--4 of FIG. 4;
FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 4;
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 4;
FIG. 8 illustrates the progressive insertion of the urethral catheter assembly of FIG. 3 into the urethra of a patient with the lubricated sheath deploying from the interior lumen of the catheter body to enclose the exterior surface thereof;
FIG. 9 illustrates the distal portion of the catheter assembly of FIG. 3 in a deployed position anchored within the patient's bladder;
FIG. 10 illustrates the progressive removal of the catheter assembly from the patient's urethra as the lubricated sheath is drawn into the interior lumen of the catheter body; and
FIG. 11 is a side elevational view in cross-section of the catheter assembly of FIG. 3 after it has been removed from the patient's urethra and the lubricated sheath is fully withdrawn into the interior lumen of the catheter body.
In the drawings and in the description which follows, the term "proximal", as is traditional, will refer to the end of the surgical apparatus which is closest to the operator, while the term "distal" will refer to the end which is furthest from the operator.
Referring now to the drawings, there is illustrated in FIG. 1 a prior art Foley catheter 10 having an elongated body 12 through which extends an interior lumen 14. An expandable balloon 16 is provided adjacent the distal end of body 12 for retaining catheter 10 within a patient's bladder, as illustrated in FIG. 2. A passage 18, shown in FIG. 1, extends through catheter body 12 for delivering pressurized fluid to the expandable balloon 16 to facilitate the expansion thereof.
Once the prior art Foley catheter 10 has been positioned in the patient's urethra, and retained within the bladder, it serves to drain urine from the bladder to a collection bag adjacent the proximal end of the catheter. Because the exterior surface of the catheter body remains in contact with the interior surface of the urethra at all times, movement of the prior art catheter, while emplaced, as well as during insertion and removal thereof, can cause significant trauma and/or discomfort to the patient. The subject catheter assembly, which is illustrated in FIG. 3, is intended to reduce such discomfort by providing a lubricated buffering structure between the exterior surface of the catheter body and the interior surface of the urethra so that when the catheter body moves, it does not directly effect the urethra, i.e. there is no frictional contact therebetween.
Referring now to FIG. 3, a catheter assembly constructed in accordance with a preferred embodiment of the subject invention is illustrated and is designated generally by reference numeral 100. Catheter assembly 100 includes an elongate catheter body 110 having an interior lumen 112 extending therethrough between proximal and distal ends 114 and 116 thereof. A connective fitting is defined at the proximal end 116 of catheter body 110 for attachment of a drainage bag (not shown). An expandable lubricated sheath 120, having a tubular configuration and formed of a resilient material such as latex, is operatively associated with catheter body 110. One end 120a (See FIG. 4) of lubricated sheath 120 is supported within the interior lumen 112 and the opposed end 120b is supported adjacent the exterior surface of catheter body 110.
More particularly, as best seen in FIG. 4, the interior end 120a of sheath 120 is mounted to a retention sled 130 disposed within the interior lumen 112 of catheter body 110, and the exterior end 120b of sheath 120 is mounted at a location proximate anchor collar 140. The majority of sheath 120 (i.e. a substantial portion of its length) is initially maintained within the interior lumen 112 and is preferably stored therein until catheter assembly 100 is inserted into a patient's urethra. In addition to supporting the interior end 120a of sheath 120, retention sled 130 also serves to withdraw the sheath into the interior lumen 112 of catheter body 110 as catheter assembly 100 is withdrawn from the patient's urethra. Flanged anchor collar 140, in addition to supporting the exterior end 120b of sheath 120, provides the surgeon with a support structure to grasp and manipulate the catheter body during insertion and removal of the catheter assembly.
Referring to FIG. 4, in its pre-operative condition, retention sled 130 is maintained in an immobile position within the interior lumen 112 of the catheter body 110 by a plurality of spaced apart radially inwardly biased securement tabs 150 which frictionally engage the outer periphery of the sled 130. An abutment flange 152 formed within the interior lumen of the catheter body 110 limits distal movement of sled 130, and an annular sealing ring 154 is positioned adjacent abutment flange 152 to prevent leakage through the securement tabs. Retention sled 130 has an axial bore 132 extending therethrough which accommodates passage of the lubricated sheath 120. Moreover, axial bore 132 enables sheath 120 to extend twice therethrough. Once, extending in a proximal direction, and a second time, extending in a distal direction, everted within itself, extending from the distal end 116 of interior lumen 112, and enclosing the exterior surface of catheter body 110. This pre-operative condition of the sheath is best illustrated in FIGS. 5-7, wherein FIG. 5 illustrates two layers of sheath 120 proximal to the sled, FIG. 6 illustrates two layers of the sheath within the axial bore of the sled, and FIG. 7 illustrates a single layer of the sheath extending distally from the sled. A looped drawstring 156 is anchored within axial bore 132 and extends from a proximal end of retention sled 130, through interior lumen 112, to the proximal end 114 of catheter body 110. Drawstring 156 facilitates axial movement of sled 130 within lumen 112 when catheter assembly 100 is removed from the urethra.
As best seen in FIG. 4, an expandable plenum 160 is formed in catheter body 110 adjacent the distal end 116 thereof. A conduit 162 is defined in catheter body 110 for directing pressurized fluid into the expandable plenum. The plenum, when expanded, defines a retention balloon which anchors the distal portion of the catheter assembly 100 within the patient's bladder, as illustrated in FIG. 9.
Referring now to FIGS. 8-11, there is illustrated in sequential order, the steps of insertion, stabilization, and removal of catheter assembly 100. Initially, as illustrated in FIG. 4, prior to inserting catheter assembly 100 in the patient's urethra, indicated by reference numeral 180, retention sled 130 is engaged by securement tabs 150 and is maintained in an immobile position adjacent the distal end 116 of catheter body 110. At such a time, a majority of the lubricated sheath 120 is disposed within the interior lumen 112 of catheter body 110 in an everted condition.
Turning now to FIG. 8, as catheter assembly 100 is inserted through the urethra 180 of the patient, lubricated sheath 120 is progressively deployed from interior lumen 112, as indicated by the directional arrows designated "A". During such a deployment, there is no frictional contact between the exterior surface of catheter body 110 and the interior of the urethra. As a result, no trauma is caused to the urethral wall and little discomfort is felt by the patient. Continued insertion of catheter assembly 100 causes progressive deployment of lubricated sheath 120 until the distal end portion of catheter assembly 100 extends into the patient's bladder.
At such a time, as illustrated in FIG. 9, pressurized fluid is transferred into the expandable plenum 160 through conduit 162 and the balloon anchor is formed to stabilize and maintain the distal portion of catheter assembly 100 within the bladder. Once located therein, catheter assembly 100 serves as a drain to advantageously remove urine from the bladder through interior lumen 112. When catheter assembly 100 is deployed in such a manner, the lubricated sheath 120 acts as a buffering structure between the exterior surface of catheter body 110 and the interior wall of the urethra 180. Thus, relative movement between the catheter body and the urethra will not cause pain or discomfort to the patient. Those skilled in the art will readily appreciate that this relative movement will be enhanced by the presence of the lubrication on the sheath. Preferably, the lubrication consists of a gel-type lubricant, i.e. a bio-compatible petroleum based lubricant. Layers of lubricant are best seen in FIGS. 5-7, and designated by reference numeral 170.
Prior to removal of catheter assembly 100 from the patient's urethra, plenum 160 is drained and the anchor balloon is reduced to its normal diameter equal to that of catheter body 110. Then, as illustrated in FIG. 10, to remove catheter assembly 100 from urethra 180, drawstring 156 is pulled proximally, releasing retention sled 130 from securement tabs 152 and enabling proximal movement thereof. Thereafter, as sled 130 is pulled through interior lumen 112, the sheath 120 is drawn into the lumen, as indicated by the directional arrows designated "B". As a result, catheter body 110 is progressively urged in a proximal direction through the urethra.
During removal, there is no frictional contact between the exterior surface of the catheter body and the inner wall of the urethra, thus no discomfort is experienced by the patient. As illustrated in FIG. 11, when catheter assembly 100 is fully removed from the urethra, retention sled 130 is disposed adjacent the proximal end 114 of catheter body 110 along with the interior end 120a of sheath 120. At such a time, the entire catheter assembly may be discarded.
Although the subject invention has been described with respect to preferred embodiments, it will be readily apparent to those having ordinary skill in the art to which it appertains that changes and modifications may be made thereto without departing from the spirit or scope of the subject invention as defined by the appended claims.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US3053257 *||Aug 9, 1960||Sep 11, 1962||Davol Rubber Co||Catheter|
|US3168092 *||Jun 15, 1961||Feb 2, 1965||Silverman Daniel||Medical probing instrument having flexible, extrudable tubing adapted to be extraverted under pressure into a body cavity|
|US3169527 *||May 13, 1963||Feb 16, 1965||Sheridan Corp||Lubricated catheter|
|US3500819 *||Oct 24, 1965||Mar 17, 1970||Silverman Daniel||Medical probe adapted to be everted under pressure and method|
|US3583391 *||Nov 21, 1968||Jun 8, 1971||American Hospital Supply Corp||Medical instrument with outrolling catheter|
|US3589356 *||Sep 4, 1969||Jun 29, 1971||Daniel Silverman||Method for everting and extraverting flexible tubing into a body cavity|
|US3669099 *||Dec 1, 1969||Jun 13, 1972||Silverman Daniel||Method and apparatus for everting a flexible probe into a cavity|
|US3683928 *||Mar 25, 1970||Aug 15, 1972||Kuntz David H||Urethral catheter applicator|
|US3726281 *||Dec 8, 1971||Apr 10, 1973||Bard Inc C R||Self-lubricating catheter|
|US3853130 *||Dec 4, 1973||Dec 10, 1974||D Sheridan||Sterile handling catheter assemblies|
|US4271839 *||Jul 25, 1979||Jun 9, 1981||Thomas J. Fogarty||Dilation catheter method and apparatus|
|US4318947 *||Jan 26, 1981||Mar 9, 1982||The Kendall Company||Polymer coating and curing process for catheters|
|US4539234 *||May 27, 1982||Sep 3, 1985||Unitika Ltd.||Urethral catheter capable of preventing urinary tract infection and process for producing the same|
|US4606347 *||Aug 8, 1985||Aug 19, 1986||Thomas J. Fogarty||Inverted balloon catheter having sealed through lumen|
|US4686124 *||Nov 29, 1984||Aug 11, 1987||Sumitomo Bakelite Company Ltd.||Thermoplastic resin-silicone rubber composite shaped article|
|US4810543 *||Oct 17, 1986||Mar 7, 1989||Tyndale Plains-Hunter Ltd.||Articles having low friction surfaces and production thereof|
|US4863440 *||Dec 23, 1985||Sep 5, 1989||Thomas J. Fogarty||Pressurized manual advancement dilatation catheter|
|US4976703 *||Feb 15, 1989||Dec 11, 1990||Siemens Aktiengesellschaft||Medical catheter for intravascular long-term infusion of medication with polysiloxane hydrogel coating|
|US5013306 *||Mar 21, 1990||May 7, 1991||Becton, Dickinson And Company||Anti-infective and antithrombogenic medical articles and method for their preparation|
|US5013717 *||Apr 18, 1988||May 7, 1991||Becton, Dickinson And Company||Blood compatible, lubricious article and composition and method therefor|
|US5026607 *||Jun 23, 1989||Jun 25, 1991||C. R. Bard, Inc.||Medical apparatus having protective, lubricious coating|
|US5098379 *||Mar 1, 1990||Mar 24, 1992||Rochester Medical Corporation||Catheter having lubricated outer sleeve and methods for making and using same|
|US5171305 *||Oct 17, 1991||Dec 15, 1992||Imagyn Medical, Inc.||Linear eversion catheter with reinforced inner body extension|
|US5178611 *||May 1, 1991||Jan 12, 1993||Paul Rosenberg||Device and method for inhibiting intravascular device associated infection|
|US5179174 *||Aug 30, 1991||Jan 12, 1993||C. R. Bard, Inc.||Flexible lubricious organic coatings|
|US5209726 *||May 4, 1992||May 11, 1993||Goosen Carl C||Self-lubricating urethral catheter and method for self-catheterization|
|US5266359 *||Dec 20, 1991||Nov 30, 1993||Becton, Dickinson And Company||Lubricative coating composition, article and assembly containing same and method thereof|
|US5269755 *||Sep 11, 1992||Dec 14, 1993||Sherwood Medical Company||Catheter with outer membrane medicament delivery system|
|US5269770 *||Mar 13, 1992||Dec 14, 1993||Rochester Medical Corporation||Microcidal agent releasing catheter with balloon|
|US5300032 *||Jun 12, 1990||Apr 5, 1994||Mallinckrodt Medical, Inc.||Catheter introducer with flexible tip|
|US5331027 *||May 25, 1993||Jul 19, 1994||Sterilization Technical Services, Inc.||Lubricious hydrophilic coating, resistant to wet abrasion|
|EP0227583A2 *||Dec 22, 1986||Jul 1, 1987||FOGARTY, Thomas J.||Pressurized manual advancement dilatation catheter|
|EP0247559A1 *||May 25, 1987||Dec 2, 1987||Sterimed Gesellschaft für medizinischen Bedarf mbH||Catheter having an insertion aid|
|WO1991010466A1 *||Jan 8, 1991||Jul 25, 1991||Rochester Medical Corporation||Microcidal agent releasing catheter|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US6605055||Sep 13, 2000||Aug 12, 2003||Cardiofocus, Inc.||Balloon catheter with irrigation sheath|
|US6796972||Jul 14, 2000||Sep 28, 2004||Edwards Lifesciences Llc||Catheter anchoring balloon structure with irrigation|
|US7601142||Oct 12, 2006||Oct 13, 2009||Colorado Catheter Company, Inc.||Devices for connecting catheter assembly to collection receptacle|
|US7601158||Jul 17, 2006||Oct 13, 2009||Colorado Catheter Company, Inc.||Devices for handling catheter assembly|
|US7655021||Mar 10, 2003||Feb 2, 2010||Boston Scientific Scimed, Inc.||Dilator with expandable member|
|US7662146||Jan 12, 2007||Feb 16, 2010||Colorado Catheter Company, Inc.||Indwelling urinary catheterization assembly|
|US7697996||Sep 28, 2006||Apr 13, 2010||Cardiac Pacemakers, Inc.||Telescoping guide catheter with peel-away outer sheath|
|US7722545||Mar 18, 2003||May 25, 2010||Biotronik Mess- Und Therapiegeraete Gmbh & Co.||Surface structure for a catheter sliding surface|
|US7731715||Dec 10, 2004||Jun 8, 2010||Edwards Lifesciences Corporation||Ablative treatment of atrial fibrillation via the coronary sinus|
|US7918831||Oct 12, 2006||Apr 5, 2011||Colorado Catheter Company, Inc.||Catheter assembly having protective sheath|
|US7938807||Jan 12, 2007||May 10, 2011||Adapta Medical, Inc.||Devices and methods for securing catheter assemblies|
|US7967798||Oct 22, 2003||Jun 28, 2011||Cook Medical Technologies Llc||Introducer apparatus with eversible sleeve|
|US8126570||Apr 13, 2010||Feb 28, 2012||Cardiac Pacemakers, Inc.||Telescoping guide catheter with peel-away outer sheath|
|US8177765||Jan 12, 2007||May 15, 2012||Adapta Medical, Inc.||Collection devices for catheter assemblies|
|US8177774||Aug 17, 2006||May 15, 2012||Adapta Medical, Inc.||Catheterization assembly|
|US8317775||Jan 12, 2007||Nov 27, 2012||Adapta Medical, Inc.||Urinary catheterization assembly with vented sheath|
|US8326437||Mar 4, 2009||Dec 4, 2012||W. L. Gore & Associates, Inc.||Atraumatic lead removal sheath|
|US8366761||Jul 31, 2012||Feb 5, 2013||Cook Medical Technologies Llc||Delivery system with medical device release by evertable sleeve|
|US8403977||May 4, 2007||Mar 26, 2013||Cook Medical Technologies Llc||Self-orienting delivery system|
|US8414562 *||Feb 16, 2010||Apr 9, 2013||Adapta Medical, Inc.||Indwelling urinary catheterization assembly|
|US8491552||Sep 25, 2006||Jul 23, 2013||Adapta Medical, Inc.||External catheter with antiseptic agent|
|US8491620||Jan 20, 2010||Jul 23, 2013||Boston Scientific Scimed, Inc.||Dilator with expandable member|
|US8781601||Dec 3, 2012||Jul 15, 2014||W. L. Gore & Associates, Inc.||Atraumatic lead removal sheath|
|US8864730||Apr 12, 2005||Oct 21, 2014||Rochester Medical Corporation||Silicone rubber male external catheter with absorbent and adhesive|
|US8888747||Oct 12, 2006||Nov 18, 2014||Adapta Medical, Inc.||Catheter assembly with vents|
|US8998882||Mar 13, 2013||Apr 7, 2015||C. R. Bard, Inc.||Enhanced pre-wetted intermittent catheter with lubricious coating|
|US9033149||Mar 1, 2011||May 19, 2015||C. R. Bard, Inc.||Catheter assembly/package utilizing a hydrating/hydrogel sleeve and a foil outer layer and method of making and using the same|
|US9248058||Oct 7, 2014||Feb 2, 2016||Rochester Medical Corporation, a subsidiary of C.R. Bard, Inc.||Male external catheter with absorbent and adhesive|
|US20040181273 *||Mar 10, 2003||Sep 16, 2004||Evan Brasington||Dilator with expandable member|
|US20050182387 *||Feb 13, 2004||Aug 18, 2005||Cardiac Pacemakers, Inc.||Peel-away catheter shaft|
|US20060173422 *||Oct 22, 2003||Aug 3, 2006||Wilson-Cook Medical, Inc.||Introducer apparatus with eversible sleeve|
|US20060253025 *||Apr 20, 2006||Nov 9, 2006||Kaufman Jonathan J||Ultrasonic Bone Assessment Apparatus and Method|
|US20070021812 *||Sep 28, 2006||Jan 25, 2007||Cardiac Pacemakers, Inc.||Telescoping guide catheter with peel-away outer sheath|
|US20070088330 *||Aug 17, 2006||Apr 19, 2007||House Jamie G||Catheterization assembly|
|US20070106233 *||Oct 20, 2005||May 10, 2007||Percutaneous Systems, Inc.||Systems and methods for dilating and accessing body lumens|
|US20070208329 *||Dec 10, 2004||Sep 6, 2007||Jim Ward||Ablative treatment of atrial fibrillation via the coronary sinus|
|US20070225649 *||Jan 12, 2007||Sep 27, 2007||House Jamie G||Urinary catheterization assembly with vented sheath|
|US20070225687 *||Jan 12, 2007||Sep 27, 2007||House Jamie G||Indwelling urinary catheterization assembley|
|US20070260263 *||May 4, 2007||Nov 8, 2007||Case Brian C||Self-orienting delivery system|
|US20080097411 *||Sep 25, 2006||Apr 24, 2008||Jamie Glen House||Catheter assemblies having sized sheaths|
|US20080097463 *||Jul 17, 2006||Apr 24, 2008||Jamie Glen House||Devices for handling catheter assembly|
|US20080146985 *||Dec 14, 2006||Jun 19, 2008||Jamie Glen House||Body treatment devices and methods|
|US20080171992 *||Oct 12, 2006||Jul 17, 2008||Jamie Glen House||Devices for connecting catheter assembly to collection receptacle|
|US20080171998 *||Oct 12, 2006||Jul 17, 2008||Jamie Glen House||Catheter assembly having protective sheath|
|US20080172016 *||Jan 12, 2007||Jul 17, 2008||Jamie Glen House||Collection devices for catheter assemblies|
|US20080208170 *||Feb 19, 2008||Aug 28, 2008||Jamie Glen House||Devices for Connecting Catheter Assembly to Collection Receptacle|
|US20100121345 *||Jan 20, 2010||May 13, 2010||Boston Scientific Scimed, Inc.||Dilator with expandable member|
|US20100145315 *||Feb 16, 2010||Jun 10, 2010||Jamie Glen House||Indwelling Urinary Catheterization Assembly|
|US20100198194 *||Apr 13, 2010||Aug 5, 2010||Manning Frank E||Telescoping Guide Catheter with Peel-Away Outer Sheath|
|US20100228262 *||Mar 4, 2009||Sep 9, 2010||Cully Edward H||Atraumatic lead removal sheath|
|US20110009943 *||Jul 9, 2010||Jan 13, 2011||Paul Ram H||Delivery system with medical device release by evertable sleeve|
|US20110046713 *||Sep 8, 2010||Feb 24, 2011||Cully Edward H||Atraumatic vascular graft removal sheath|
|DE10213368A1 *||Mar 21, 2002||Oct 2, 2003||Biotronik Mess & Therapieg||Surface structure for a friction or sliding surface of a catheter or guide wire comprises recesses distributed on the surface for receiving a fluid for reducing friction, and sliding areas between the recesses|
|WO2001083017A1||May 2, 2001||Nov 8, 2001||Wilson-Cook Medical, Inc.||Introducer device for catheters o.t.l. with eversible sleeve|
|WO2014135168A3 *||Mar 7, 2014||Oct 30, 2014||Coloplast A/S||A catheter assembly|
|U.S. Classification||604/172, 604/265, 604/271|
|International Classification||A61M25/00, A61M25/01|
|Cooperative Classification||A61M2025/1013, A61M2025/0062, A61M25/0017, A61M25/01, A61M25/0111, A61M25/0119|
|European Classification||A61M25/01C2, A61M25/00H|
|Jan 30, 2002||SULP||Surcharge for late payment|
|Jan 30, 2002||FPAY||Fee payment|
Year of fee payment: 4
|Feb 6, 2002||REMI||Maintenance fee reminder mailed|
|Feb 1, 2006||REMI||Maintenance fee reminder mailed|
|Jul 14, 2006||LAPS||Lapse for failure to pay maintenance fees|
|Sep 12, 2006||FP||Expired due to failure to pay maintenance fee|
Effective date: 20060714